The Plug,telephone, cataloged under National Stock Number 5935-00-421-6251, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-00-421-6251 |
| Item Name | Plug,telephone |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Status | ACTIVE |
| Finger Type | TWO CONDUCTOR, ROUND TIP SINGLE FINGER |
| Identification Code Color | RED |
| Body Style | STRAIGHT HANDLE |
| Terminal Type | INTERNAL SETSCREW |
| Finger Diameter | 0.250 INCHES NOMINAL SINGLE FINGER IN |
| Overall Diameter | 0.562 INCHES NOMINAL IN |
| Finger Length | 1.188 INCHES NOMINAL SINGLE FINGER IN |
| Body Length | 1.188 INCHES NOMINAL IN |
| Electrical Insulation Feature | INSULATED COMPLETELY |
| Surface Treatment | NICKEL FINGER |
| Maximum Voltage Rating in Volts | 750.0 AC |
| Cable Entrance Diameter | 0.250 INCHES NOMINAL IN |
| Material | PLASTIC HANDLE |
| Material | COPPER ALLOY FINGER |
| Material | PLASTIC INSULATOR |
| Current Rating in Amps | 5.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 243RED | 5/9 Secondary reference U.S. Government activity |
| 101491-2 | 5/9 Secondary reference Gulton Industries Inc Measurement and Control Systems Div |
| 225RED | 5/9 Secondary reference U.S. Government activity |
| 225RED | 3/2 Design control — primary reference U.S. Government activity |
NSN 5935-00-421-6251 is a Plug,telephone, classified under FSC 5935, Connectors, Electrical. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5935-00-665-9018. Verify interchangeability with system specifications before substitution.
Key specifications for 5935-00-421-6251: Finger Type: TWO CONDUCTOR, ROUND TIP SINGLE FINGER; Identification Code Color: RED; Body Style: STRAIGHT HANDLE; Terminal Type: INTERNAL SETSCREW. 16 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.